How-to: DIY Liquid Watercolors from Upcycled Dried-Out Markers

Liquid watercolors are a versatile art supply that kids, especially, love to create with. If you’ve got a stash of dried-out markers lying around, you can make your own liquid watercolors for free, in the process breaking down those plastic markers for recycling and upcycling one of their most wasteful components.

If you’ve read my tutorial on making DIY alcohol ink from dried-out markers, this process will sound familiar; the big difference is that since you’re using plain water for this project instead of rubbing alcohol, your kids can help!

To begin, break down your markers as described in my tutorial on recycling Crayola markers; you’re aiming for that ink reservoir inside the marker barrel, but since you have to tear the marker completely apart to get it, you might as well finish the job and recycle what you can! Even if your markers aren’t Crayola brand, the method for getting out the ink reservoir will be just about identical, although you’ll probably have to just trash those marker barrels if you can’t determine if they’re recyclable.

Separate the ink reservoirs by color, and source a containers with well-fitting lids to hold the liquid watercolors. If you have a ton of dried-out markers, you can use containers as large as Mason jars for this project, but I only have a couple of dried-out markers of each color to work with, so I’m using small glass vials. Recycled pill bottles and spice bottles would also be great containers.

Fill each container about three-quarters full of plain water, then put one end of each ink reservoir into the water. You’ll immediately notice the bottom end of the ink reservoir turn white, but otherwise the ink will dissipate into the water very slowly, so you may not see a difference for a while. The containers will need to sit for several hours, preferably a full 24 hours, and I’ll tell you right now that the combination of little cups of water with temptingly battable ink reservoirs makes this project irresistible to housecats, so hide it well.

After about 24 hours, you should notice that the container of water is well tinted, but nevertheless milk any remaining ink that you can squeeze out of the ink reservoirs as you remove them from the containers–this is SO messy, but quite worth it.

My girls use these homemade liquid watercolors interchangeably with our store-bought set, and they have tons of uses:

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